Express the Sum Using Summation Notation $\sum _ { k = 3 } ^ { 6 } ( 2 k - 5 )$

question 100

Multiple Choice

Express the sum using summation notation.
- $\sum _ { k = 3 } ^ { 6 } ( 2 k - 5 )$

• A) 15
• B) 13
• C) 16
• D) 21

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